:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dde1e7;
  --text: #1b1f24;
  --muted: #637080;
  --accent: #2557d6;
  --good: #1a7f4b;
  --good-bg: #e3f4ea;
  --bad: #c0352b;
  --bad-bg: #fbe9e7;
  --warn: #9a6200;
  --warn-bg: #fdf1dc;
  --info: #2557d6;
  --info-bg: #e6edfc;
  --alert: #b4235a;
  --alert-bg: #fce6ee;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #1a1e24;
    --surface-2: #222830;
    --border: #2e353f;
    --text: #e6e9ee;
    --muted: #8e99a8;
    --accent: #6d97ff;
    --good: #4cc68a;
    --good-bg: #173326;
    --bad: #ff7a6e;
    --bad-bg: #3a1d1b;
    --warn: #f0b450;
    --warn-bg: #3a2c12;
    --info: #6d97ff;
    --info-bg: #1b2747;
    --alert: #ff7aa8;
    --alert-bg: #3d1a28;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h2 { font-size: 15px; margin: 18px 0 10px; }
h3 { font-size: 13px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
code { font-size: 12px; }
[hidden] { display: none !important; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.good-text { color: var(--good); }
.bad-text { color: var(--bad); }
.error { color: var(--bad); }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.good { background: var(--good); border-color: var(--good); color: #fff; }
.btn.bad { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.ghost { background: transparent; }
.btn.bad.ghost { color: var(--bad); border-color: var(--border); }
.btn.phone-on { color: var(--good); border-color: var(--good); background: var(--good-bg); }
.btn.phone-off { color: var(--muted); }
.btn.phone-wait { color: var(--warn); }

.pill { padding: 4px 10px; border-radius: 99px; background: var(--surface-2); color: var(--muted); font-size: 12px; font-weight: 600; }
.pill.warn { background: var(--warn-bg); color: var(--warn); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); }
.badge.info { background: var(--info-bg); color: var(--info); }
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.alert { background: var(--alert-bg); color: var(--alert); }

/* Top bar and banners */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 800; font-size: 17px; }
.brand span { color: var(--accent); }
.phone-controls { display: flex; align-items: center; gap: 10px; }
.phone-controls form { margin: 0; }

.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; position: sticky; top: 57px; z-index: 4;
}
.banner strong { margin-right: 10px; }
.banner-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.banner.ring { background: var(--alert-bg); color: var(--alert); animation: pulse 1.2s ease-in-out infinite; }
.banner.incall { background: var(--good-bg); color: var(--good); }
.banner .timer { margin-left: 10px; font-variant-numeric: tabular-nums; font-weight: 700; }
@keyframes pulse { 50% { filter: brightness(1.08); } }
@media (prefers-reduced-motion: reduce) { .banner.ring { animation: none; } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; padding: 16px 20px 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; }
.stat-value { display: block; font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12px; color: var(--muted); }

/* Layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 20px; padding: 0 20px 30px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.empty, .placeholder { color: var(--muted); padding: 18px; border: 1px dashed var(--border); border-radius: var(--radius); text-align: center; }
.placeholder { margin-top: 18px; }

/* Live call cards */
.active-list { display: grid; gap: 10px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; cursor: pointer;
}
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.card.wants-agent { border-left: 4px solid var(--alert); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.caller { font-weight: 700; font-size: 15px; }
.timer { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--muted); }
.card-mid { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.po { font-weight: 700; }
.wants { color: var(--alert); font-weight: 600; font-size: 12px; margin-bottom: 8px; }
.card-actions { display: flex; gap: 8px; }

/* History */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.history { width: 100%; border-collapse: collapse; font-size: 13px; }
.history th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.history td { padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.history tr[data-select] { cursor: pointer; }
.history tr[data-select]:hover td { background: var(--surface-2); }
.history tr.selected td { background: var(--info-bg); }

/* Detail */
.col-detail { min-width: 0; }
.detail { position: sticky; top: 70px; margin-top: 18px; display: grid; gap: 12px; }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.detail-head h2 { margin: 0; font-size: 20px; }
.detail-status { display: flex; align-items: center; gap: 10px; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.panel-head h3 { margin: 0; }
.panel > .panel-head { margin-bottom: 10px; }

.summary, .tree { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px 16px; margin: 0; }
.kv { min-width: 0; }
.kv.wide { grid-column: 1 / -1; }
.kv dt { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.kv dd { margin: 0; overflow-wrap: anywhere; }

.all-data { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; }
.all-data > summary, .tree-node > summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.tree-node { margin: 6px 0 0; padding-left: 12px; border-left: 2px solid var(--border); }
.tree-list { margin: 4px 0; padding-left: 18px; }
.tree-list > li { margin: 6px 0; }

.timeline { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow-y: auto; }
.timeline li { padding: 5px 0; border-bottom: 1px solid var(--border); }
.timeline li:last-child { border-bottom: 0; }

/* Team */
.team-panel { padding: 10px 14px; }
.team-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.team-member { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.team-empty { margin: 0; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ready { background: var(--good); }
.dot.busy { background: var(--alert); }
.badge.muted { opacity: .7; }

.page { max-width: 1100px; margin: 0 auto; padding: 20px; display: grid; gap: 16px; }
.flash { margin: 0; padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.flash.good { background: var(--good-bg); color: var(--good); }
.flash.bad { background: var(--bad-bg); color: var(--bad); }
.inline-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.inline-form label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
.inline-form input, .row-form input {
  font: inherit; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}
.row-form { display: flex; gap: 6px; margin: 0; }
.row-form input { width: 140px; padding: 4px 8px; font-size: 12px; }
.row-actions { display: flex; gap: 6px; }
.row-actions form { margin: 0; }
.table-wrap.flat { border: 0; }
.steps { padding-left: 20px; }
.steps li { margin: 4px 0; }
a.btn { text-decoration: none; display: inline-block; }

/* Login */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 340px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: grid; gap: 12px; }
.login-card h1 { margin: 0; font-size: 20px; }
.login-card p { margin: 0; }
.login-card input { font: inherit; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }

@media (max-width: 600px) {
  .topbar, .banner, .stats, .layout { padding-left: 16px; padding-right: 16px; }
  .banner { top: 0; position: static; }
}